15986955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 10969845

約数列:

[1, 3, 5, 15, 23, 69, 115, 149, 311, 345, 447, 745, 933, 1555, 2235, 3427, 4665, 7153, 10281, 17135, 21459, 35765, 46339, 51405, 107295, 139017, 231695, 695085, 1065797, 3197391, 5328985, 15986955]

約数ペア:

[(1, 15986955), (3, 5328985), (5, 3197391), (15, 1065797), (23, 695085), (69, 231695), (115, 139017), (149, 107295), (311, 51405), (345, 46339), (447, 35765), (745, 21459), (933, 17135), (1555, 10281), (2235, 7153), (3427, 4665)]